From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751484AbbFPAyn (ORCPT ); Mon, 15 Jun 2015 20:54:43 -0400 Received: from mga03.intel.com ([134.134.136.65]:56059 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750842AbbFPAyh (ORCPT ); Mon, 15 Jun 2015 20:54:37 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,622,1427785200"; d="scan'208";a="747285836" Message-ID: <1434416075.18774.182.camel@intel.com> Subject: Re: [lkp] [drm/i915] 7f072451f2d: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun From: Huang Ying To: Maarten Lankhorst Cc: Jani Nikula , LKML , lkp@01.org Date: Tue, 16 Jun 2015 08:54:35 +0800 In-Reply-To: <557E9485.8030905@linux.intel.com> References: <557E77A1.8060607@intel.com> <557E9485.8030905@linux.intel.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.11-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2015-06-15 at 11:01 +0200, Maarten Lankhorst wrote: > Hey, > > Op 15-06-15 om 08:58 schreef Huang Ying: > > FYI, we noticed the below changes on > > > > git://anongit.freedesktop.org/drm-intel drm-intel-next-queued > > commit 7f072451f2d3d53e4f6939440e15ab36afed2051 ("drm/i915: Implement intel_crtc_control using atomic state, v4") > > > > Test Environment check: Succeeded. > > [0/2] Running Test(s): 0 > > [ 87.315159] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun > > [ 87.323386] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun > > [1/2] pass: 1 Running Test(s): 1 > > [2/2] dmesg-warn: 1, pass: 1 > > Thank you for running Piglit! > > Results have been written to /tmp/lkp/piglit-results-0/results.json > > igt/kms_flip/rcs-wf_vblank-vs-dpms.seconds: 129.532452335 > > 2015-06-12 04:39:32 piglit summary console /tmp/lkp/piglit-results-0 > > igt/kms_flip/rcs-wf_vblank-vs-dpms: pass > > igt/kms_flip/rcs-wf_vblank-vs-dpms-interruptible: dmesg-warn > > summary: > > pass: 1 > > fail: 0 > > crash: 0 > > skip: 0 > > timeout: 0 > > warn: 0 > > dmesg-warn: 1 > > dmesg-fail: 0 > > total: 2 > > all tests finished > > > > > > To reproduce: > > > > apt-get install ruby > > git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git > > cd lkp-tests > > bin/setup-local job.yaml # the job file attached in this email > > bin/run-local job.yaml > > > Are there any tests that already have FIFO underruns, before this commit? This test is the first test run on the machine, the command line for test is as follow: $ piglit run igt -t igt/kms_flip/rcs-wf_vblank-vs-dpms /tmp/lkp/piglit-results-0 But the test system may be via kexec. Best Regards, Huang, Ying